Patrimoine écrit, graphique et sonore en Occitanie

https://palanca.occitanielivre.fr/es/patrimoine/oll/mosaic?creatorNames%5B0%5D=Long%2C%20Fran%C3%A7ois&endpoint=crl&languages%5B0%5D=oci&partners%5B0%5D=Centre%20interr%C3%A9gional%20de%20d%C3%A9veloppement%20de%20l%27Occitan&viewableDates%5B0%5D=1843